Grundfos CRE Series Product Guide

Construction
CR, CRI, CRN, CRE, CRIE, CRNE
16
CR(E) 120 and 150
Sectional drawing
Materials: CR(E)
1)
22 mm shaft, 15-60 Hp. 32 mm shaft, 75-100 Hp.
CRN(E) 120 and 150
Sectional drawing
Materials: CRN(E)
1)
Stainless steel available on request.
2)
22 mm shaft, 15-60 Hp. 32 mm shaft, 75-100 Hp.
GrA3731TM03 8835 2607
Pos. Designation Materials AISI/ASTM
1 Pump head Ductile iron
A 536
65-45-12
2
Motor stool (15-60 Hp) Cast iron A48-30 B
Motor stool (75-100 Hp) Ductile iron
A 536
65-45-12
3 Shaft Stainless steel AISI 431
4 Impeller Stainless steel AISI 304
5 Chamber Stainless steel AISI 304
6 Outer sleeve Stainless steel AISI 316
7 O-ring for outer sleeve EPDM or FKM
8 Base Ductile iron
A 536
65-45-12
9 Base plate Ductile iron
A 536
65-45-12
10 Neck ring PTFE
11 Shaft seal
1)
Cartridge type
12 Support bearing PTFE
13 Bearing rings Silicone carbide
Rubber parts EPDM or FKM
GrA3732 - GrA3735TM03 8836 2607
Pos. Designation Materials AISI/ASTM
1 Pump head Stainless steel A 351 CF 8M
2
Motor stool (15-60 Hp) Cast iron A48-30 B
Motor stool (75-100 Hp) Ductile iron
A 536
65-45-12
3 Shaft Stainless steel SAF 2205
4 Impeller Stainless steel AISI 316
5 Chamber Stainless steel AISI 316
6 Outer sleeve Stainless steel AISI 316
7 O-ring for outer sleeve EPDM or FKM
8 Base Stainless steel A 351 CF 8M
9 Base plate Ductile iron
1)
A 536
65-45-12
10 Neck ring PTFE
11 Shaft seal
2)
Cartridge type
12 Support bearing PTFE
13 Bearing rings Silicone carbide
14 Base plate Ductile iron
1)
A 536
65-45-12
Rubber parts EPDM or FKM

Grundfos CRE Series Specifications

General

Motor Type	Asynchronous
Enclosure Class	IP55
Insulation Class	F
Series	CRE
Protection Class	IP55
Material	Stainless Steel
Applications	Water Supply, Pressure Boosting, Irrigation
Pumped liquid	Clean liquids
Approvals	CE
Voltage	380-415V
Connection Size	DN 32 to DN 100
Efficiency	IE3 Premium Efficiency
Power Supply	3-phase
Liquid Temperature Range	-10°C to +120°C
Temperature Range	-10°C to +120°C